package com.qf.yuandanwork.service;

import com.qf.yuandanwork.entity.User;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.List;

public interface UserService {
    //写文件
    public  void writerUsers(List<User> list) throws IOException;

    //生成随机user
    public void randomUser() throws IOException;

    //将文件加到数据库中
    public void insertManyUsers() throws Exception;
}
